US2419336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner
Assignee: American Steel and Wire Company of New Jersey
•
Filing: 1944-03-06
•
Granted: 1947-04-22
•
Expires: 1964-03-06
Abstract
No abstract record available.
Inventors
- 👤 Howard S Cress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:11
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1517183A
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US1946184A
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FR839528A
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US2344203A
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US2338623A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |